Flight Reliability
AS 16 · Alaska Airlines
Seattle → New York (SEA–JFK)
44
Bring Snacks
WanderNerd Reliability Score
- 56%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 2.4%
- Cancelled
- 9 min
- Median arrival delay
Based on 339 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
AS 16 arrived on time 63% of the time on Tuesdays and just 47% on Saturdays. That gap is worth planning around.
Well behind the SEA–JFK route.
AS 16 arrived on time 56% of the time, versus 74% across the SEA–JFK route.
Well behind the Alaska Airlines network.
AS 16 arrived on time 56% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon57%(46 flights)
- Tue63%(49 flights)
- Wed60%(48 flights)
- Thu57%(47 flights)
- Fri51%(47 flights)
- Sat47%(43 flights)
- Sun53%(47 flights)
92%
May
Jun 17% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 17% | 29 |
| July 2025 | 10% | 30 |
| August 2025 | 42% | 31 |
| September 2025 | 30% | 30 |
| October 2025 | 53% | 30 |
| November 2025 | 88% | 24 |
| December 2025 | 70% | 30 |
| January 2026 | 73% | 26 |
| February 2026 | 84% | 25 |
| March 2026 | 61% | 31 |
| April 2026 | 83% | 29 |
| May 2026 | 92% | 12 |
- Departures on time
- 69%
- Diverted
- 1.2%
- Flights flown
- 327
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 339 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.